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Which factors determine whether a city makes it onto the list of the world’s fastest growing cities? In the latest in a series focusing on the transition to a predominantly urban world, David Satterthwaite takes a closer look.

In the latest in our series of blogs and interviews about the transition to a predominantly urban world, David Satterthwaite discusses the vast gaps in city data, and explains why planning, governing and servicing cities calls for data that is broken down into city and sub-city level.

Stories from urban poor communities inspired international audiences at the 10th World Urban Forum.
Taking place every two years, the World Urban Forum (WUF) brings together a host of actors – development professionals from NGOs, representatives of international development agencies, city government officials – from around the globe.

IIED senior fellow David Satterthwaite is curating a series of blogs and interviews on global urban change. In this blog he looks at rapidly growing cities that moved into the list of the top 100 cities, and those that fell off the bottom of the list.

In the first of a new blog series, IIED senior fellow David Satterthwaite looks at the world’s 100 largest cities, and how their changing distribution reflects social, political and economic shifts across the globe.
Most very large cities have great importance for the global economy, and all have importance for the politics and the economy of their nation and region.

Food insecurity, malnutrition and obesity are increasingly becoming urban issues, affecting the health of millions of children and adults. The new issue of Environment & Urbanization looks at the wider context of urban food and nutrition security and the challenges for policymakers.

Poverty is often defined by assessing income. But guest bloggers Sam Jones and Inge Tvedten say that using a wider lens can help to understand the social and political mechanisms that help to create and reproduce poverty.

Walking, cycling and using public transport are the main ways of getting around Indian cities. But as India's cities expand and car ownership increases, pedestrians are being marginalised – and their safety is being put at risk.